Invora

Invora

Ownware
+
+

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About

Invora is self-hosted invoicing software you buy once and own: estimates that convert to invoices, full or partial payment recording, branded PDF invoices, client records, VAT handling, multi-currency, and recurring invoice schedules. Integrations: REST API with Bearer keys, HMAC-signed webhooks, and an MCP endpoint so Claude, ChatGPT agents or n8n can operate it under the same role permissions as a signed-in user — sending email and deletion always stay human clicks. Append-only audit trail (CSV-exportable, secrets redacted), GDPR subject-access export and anonymisation, roles with invitations, guided backups and restore. Plain PHP 8 with MySQL or SQLite — no framework, no Composer, no build step; the full test suite ships with the source and is proven on SQLite, MariaDB and MySQL 8. One-time purchase from $34 with full source code included; no subscriptions, no per-user fees. Ungated live demo on the product page.

About

KairoProject is a multi-project portfolio management platform built natively on Critical Chain Project Management (CCPM) and Theory of Constraints. If your teams are drowning in conflicting deadlines, hidden resource overload, and planning tools that track tasks but never tell you what's actually at risk, KairoProject was built for that problem. Instead of bolting buffers onto a generic Gantt chart, the engine is CCPM from the ground up: critical chain calculation, project and feeding buffers, fever charts, and real-time buffer consumption tracking — all deterministic and rule-based, so your numbers are always trustworthy. An AI layer sits on top to help you interpret signals, not to second-guess the math. See exactly which resources are overloaded across your entire portfolio, which tasks are truly on the critical chain, and which projects need attention today — not after the deadline slips. REST API, MCP connector, and HMAC-signed webhooks let you plug it into your existing stack.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Small businesses, freelancers and agencies that want to own their invoicing stack instead of renting SaaS

Audience

KairoProject is designed for operations directors, project managers, and portfolio managers who oversee multiple simultaneous projects with shared teams and limited resources. It is particularly suited for engineering firms, technical consultancies, R&D departments, and project-driven SMEs running between 3 and 20 concurrent projects. It is not a task management tool — it is built for organizations where cross-project resource conflicts, late deliveries, and prioritization decisions are daily challenges.

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

$34 one-time
One-time purchase from $34 (single site). Developer and agency licenses available. Full source code included. No subscriptions, no per-user fees.
Free Version
Free Trial

Pricing

10€/month/user
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Ownware
Founded: 2026
Slovakia
ownware.io/p/invora

Company Information

KairoProject
Founded: 2025
France
www.kairoproject.com

Alternatives

Alternatives

Kairos Software

Kairos Software

Kairos Software Solutions
TablePlus

TablePlus

TablePlus InC
Concerto PPM

Concerto PPM

Realization
Luna Modeler

Luna Modeler

Ideamerit
Rillsoft Cloud

Rillsoft Cloud

Rillsoft
DBeaver Community

DBeaver Community

DBeaver Corp.

Categories

Categories

Billing and Invoicing Features

Billing Portal
Contact Database
Contingency Billing
Customer Portal
Customizable Invoices
Dunning Management
Hourly Billing
Invoice History
Mobile Payments
Multi-Currency
Online Invoicing
Online Payments
Payment Processing
Project Billing
Recurring/Subscription Billing
Service Ticket Billing
Tax Calculator

Project Management Features

Agile Methodologies
Budget Management
Client Portal
Collaboration Tools
Cost-to-Completion Tracking
Customizable Templates
Gantt Charts
Idea Management
Kanban Board
Milestone Tracking
Portfolio Management
Resource Management
Time & Expense Tracking
Traditional Methodologies

Integrations

ChatGPT
Claude
n8n

Integrations

ChatGPT
Claude
n8n
Claim Invora and update features and information
Claim Invora and update features and information
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